	// Masker 遮罩
	var Masker=function(selector){
		this.selector=selector;
		this.element=$(selector).get(0);
	}
	Masker.prototype=new Control();
	Masker.prototype.init=function(){
		if(typeof this.element=="undefined"){
			this.create();
		}
	}
	Masker.prototype.create=function(){
		this.element=document.createElement("div")
		this.element.className="ht-Masker"
		this.element.style.display="none"
		this.setId(this.id);
		document.body.appendChild(this.element)
	}
	Masker.prototype.open=function(){
		if(typeof this.element=="undefined"){
			this.create();
		}
		this.element.className="ht-Masker open";
		$(this.element).show();
	}
	Masker.prototype.close=function(){
		this.element.className="ht-Masker close";
		$(this.element).hide();
	}
	Masker.prototype.hide=function(){
		$(this.element).hide();
	}
	HTMLTurbo.control.Masker=Masker;